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  • Title: Sero-epidemiology investigation of Coxiella burnetii in domestic ruminants throughout most Greek regions.
    Author: Vourvidis D, Kyrma A, Linou M, Edouard S, Angelakis E.
    Journal: Vet Med Sci; 2021 Jan; 7(1):99-104. PubMed ID: 32790038.
    Abstract:
    Q fever is not considered as a public health problem in Greece where most regions are considered as Coxiella burnetii free possibly because of the low interest for this agent. Our objective was to conduct a large-scale study to investigate the sero-epidemiology of C. burnetii in domestic ruminants throughout the most of Greek regions. We tested serum samples obtained from goats, sheep and bovines from different regions of Greece. All sera were tested for C. burnetii IgG antibodies by a commercial ELISA according to the manufacturer's recommendations. We tested 1,173 goats and sheep obtained from 177 different herds and totally 194 (17%) animals from 78 (44%) herds were positive for C. burnetii. Positive animals were present in seven (88%) different regions and seropositivity varied widely among these regions. The highest percentage was observed in Peloponnese (44%), where all the tested herds presented animals with C. burnetii antibodies. Ιn all Aegean Islands except the island of Limnos we detected goats and sheep positive for C. burnetii with seroposivity varying between 2% in Kos to 37% in Rhodes. Finally, in 22 (85%) Greek prefectures we found C. burnetii IgG-positive animals whereas in 14 (54%) prefectures more than 50% of tested herds had seropositive animals. We also tested 28 cows from five different herds in Macedonia and Aegean Islands and six (21%) of them, obtained from two (40%) herds were positive. Considering the importance of C. burnetii for public health, our data reflect the lack of awareness by veterinarians, physicians and competent authorities as we provide evidence of C. burnetii seropositivity in productive animals throughout the most of Greek territories. Due to the increased risk of inhalation of the bacterium by people who entered the affected farms we raise the question of Q fever emergence in Greece.
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